An outdoor fountain can add beauty and sophistication to your lawn. Outdoor fountains come in all sizes, so there is one the perfect size for your home. They range for small bird bath fountains to large, municipal fountains. Water is reused in many fountains, while others continuously pump fresh drinking water into the fountain. Having a fountain in your yard will increase your curb appeal if you do your research and pick the right fountain for your lawn. Check with your local government to make sure there are no restrictions on outdoor fountains before you invest in one. Some neighborhood also have rules regarding what can be placed on lawns.